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I really could use a short video on replacing the before mentioned 1985 Intertherm furnace thermocouple in a robertshaw gas-fired igniter. Here's another picture. narrow space to get to thermocouple

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  • Janice Arn Dec 01, 2016

    Category should be furnaces not AIR CONDITIONER

  • Janice Arn Dec 01, 2016

    How can I put out more than 1 photo????



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I have an old Intertherm 911030 that has a pilot. I would like to change it to an electronic ignition. The furnace info say MG-055A. Is this possible?This is used in a park model home. thanks

Hello Denise Zier,

In our area...
the local gas (PG&E) company had a subsidized program the make the CONVERSION ECONOMICALLY FEASIBLE...

It is POSSIBLE... but without any subsidy...
I'd seriously check out the prices of a complete new heater... and weigh the benefits against the cost...

((not to mention newer heaters are JUST MORE efficient)).

The conversion involves changing out the entire gas valve, adding a compatible control (logic) board, thermocouple, pilot head and most likely a hot surface igniter (likely a new transformer too).


I'm sure the "NEW" conversions are more reliable than the old "NEW" conversions... I didn't want to become knowledgeable about the... but I did... and before COMPLETELY replacing the
heater.. went back the OLD PILOT... just to get warm.

I'm just saying... Now we have the heat-pump...
pretty in-efficient... but with SOLAR PANELS...
who really cares (aah warmth at last).

Pictures are SAMPLES ONLY... Not applicable to you.

Buy Goodman Heat Pump Geothermal Heat Pumps Goodman Air Conditioner

Nov 14, 2016 | Intertherm Heating & Cooling

1 Answer

Intertherm gas furnace in mobile home..igniter comes on then nothing tries to fire byrners but nothing

by igniter I assume you mean the thermocoupler. are you turning the control button to run after you light the pilot light? Normally when those furnaces quit it is the thermocoupler that has quit. Get a new one and leave it in the furnace compartment as a spare.

Jan 06, 2015 | Intertherm Heating & Cooling

1 Answer

Pilot light won't light

Will it initially light, then go out when you release the button?
If yes, then change/adjust the thermocouple or pilot size.
If no, then check that you have a gas supply, that the igniter is sparking, that the gas valve is allowing the pilot flow through.

Apr 06, 2014 | Intertherm 56000 Btu Gas Furnace

1 Answer


This could be failure of the igniter and/or thermocouple.

Jan 27, 2014 | Intertherm 56000 Btu Gas Furnace

1 Answer

Intertherm furnace M1BG wont fire

Make sure the gas valve is turned to the ON position after you had it in PILOT position. Also check the thermostat low voltage wiring @ furnace...jumper the Red & White wires to bypass the thermostat temporarily. Make sure there is 24 volts on you low voltage circuit.

Dec 16, 2013 | Intertherm P3RA-048K Air Conditioner

2 Answers

My pilot flame goes out after a short while and the gas shuts off then as it should. Why does the pilot flame cut out so rapidly?

Because she ain't gettin confirmation of ignition.
Your flame sensor is contaminated most likely.
Get a dry brillo pad and clean that dude. Give it the alabama gloss and the mississippi shine then reinstall and retry.
I have 2 links. Old school RobertShaw kanthal Spark/sensor notes and Auto cycling furnace easy fix.

Let me know dude!

Mar 16, 2011 | Heating & Cooling

1 Answer

I have a intertherm furnace 60000 btu inlet,

Souns like the thermocouple is gatting weak and needs replacing!

Dec 20, 2009 | Heating & Cooling

10 Answers

Intertherm furnace problem?'s

the blower on my furnace keeps going on and off when i turn the furnace on .ichanged the snapdiscs no change changed thermocoupler and therostat still no change whats my problem

Oct 27, 2007 | Intertherm P3RA-048K Air Conditioner

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